diff --git a/api/config/packages/doctrine.yaml b/api/config/packages/doctrine.yaml
index 7e6c080ad7a71459420bb820643cddc0a03ef17d..e8f0a4c4bae28c7da12b26c92c90395092e465d8 100644
--- a/api/config/packages/doctrine.yaml
+++ b/api/config/packages/doctrine.yaml
@@ -20,3 +20,6 @@ doctrine:
         dql:
             string_functions:
                 TO_CHAR: DoctrineExtensions\Query\Postgresql\DateFormat
+               
+            datetime_functions:
+                DATE_TRUNC: App\Helpers\DateTruncFunctionDQL
\ No newline at end of file
diff --git a/api/src/Controller/NombreDeVenteParJMA.php b/api/src/Controller/NombreDeVenteParJMA.php
new file mode 100644
index 0000000000000000000000000000000000000000..6fe22221e3c664461ecb2f883e744ca8e276c764
--- /dev/null
+++ b/api/src/Controller/NombreDeVenteParJMA.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Controller;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+
+/**
+ * @Route("/nombre_devente_parJMA", name="nombre_devente_parJMA")
+ */
+
+class  NombreDeVenteParJMA extends AbstractController{
+  /**
+     * Entity Manager
+     */
+    private $em;
+    /**
+     * Creates a new instance of NombreDeVenteParJMA
+     */
+    public function __construct(EntityManagerInterface $em) {
+        $this->em = $em;
+    }
+    
+    public function __invoke(Request $data) { 
+       // $date1 = '05/06/2015';
+       // $date1 = '05/06/2016';
+        $date1 = $data->query->get('dateDebut');
+        $date2 = $data->query->get('dateFin');
+        $interval = $data->query->get('interval');
+       // DATE_FORMAT("2017-06-15", "%Y");
+        $query = "  SELECT
+                        COUNT(valeurs_fonciere.nature_mutation) AS nombre_de_vente,
+                        DATE_TRUNC('$interval', valeurs_fonciere.date_mutation) AS dat
+                    FROM
+                        App:ValeursFonciere AS valeurs_fonciere
+                    WHERE
+                        lower(valeurs_fonciere.nature_mutation) = 'vente'
+                        AND
+                        valeurs_fonciere.date_mutation BETWEEN '$date1'  AND '$date2'
+                    GROUP BY 
+                    dat
+                   ORDER BY
+                    dat";
+                
+                    
+        $nombreVentes = $this->em->createQuery($query)->getResult();
+        foreach ($nombreVentes as &$nombreVente){
+            $nombreVente['nombre_de_vente'] = intval($nombreVente['nombre_de_vente']);
+            $nombreVente['dat'] =  $nombreVente["dat"];
+        }
+        $res = new JsonResponse(
+            $nombreVentes,
+            Response::HTTP_OK
+        );
+        return $res;
+    }
+}
\ No newline at end of file
diff --git a/api/src/Entity/ValeursFonciere.php b/api/src/Entity/ValeursFonciere.php
index eddb08be6f7609179888fde0711a1b8ff256f69b..9f2ce37a5e9ff91010f6133d4d0592238ec480be 100644
--- a/api/src/Entity/ValeursFonciere.php
+++ b/api/src/Entity/ValeursFonciere.php
@@ -45,7 +45,48 @@ use Doctrine\ORM\Mapping as ORM;
  *         "route_name"="prix_moyens",
  *         "controller"=PrixMoyenParAnnee::class,
  *         "pagination_enabled"=false,
- *     }
+ *     },
+ *  "nombredeventeparJMA"={
+ *      "method"="GET",
+ *      "openapi_context"={
+ *             "read"=false,
+ *              "parameters"={
+ *                  {
+ *                      "in"="query",
+ *                      "name"="interval",
+ *                      "required"= true,
+ *                      "schema"= {
+ *                          "type"="string",
+ *                          "enum"={"day","month","year"}
+ *                      },
+ *                      "example"="day"
+ *                  },
+ *                  {
+ *                      "in"="query",
+ *                      "name"="dateDebut",
+ *                      "required"= true,
+ *                      "schema"= {
+ *                          "type"="string",
+ *                          "format"="full-date"
+ *                      },
+ *                      "example"="2015-01-01"
+ *                  },
+ *                  {
+ *                      "in"="query",
+ *                      "name"="dateFin",
+ *                      "required"= true,
+ *                      "schema"= {
+ *                          "type"="string",
+ *                          "format"="full-date"
+ *                      },
+ *                      "example"="2015-02-01"
+ *                  }
+ *              }
+ *           },
+ *         "route_name"="nombre_devente_parJMA",
+ *         "controller"=NombreDeVenteParJMA::class,
+ *         "pagination_enabled"=false,
+ *       }
  * })
  * @ORM\Entity(repositoryClass="App\Repository\ValeursFonciereRepository")
  */
diff --git a/api/src/Helpers/DateTruncFunctionDQL.php b/api/src/Helpers/DateTruncFunctionDQL.php
new file mode 100644
index 0000000000000000000000000000000000000000..924852ac1ae1dfdec2da7983e252674eba5a451d
--- /dev/null
+++ b/api/src/Helpers/DateTruncFunctionDQL.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Helpers;
+
+use Doctrine\ORM\Query\AST\Functions\FunctionNode;
+use Doctrine\ORM\Query\Lexer;
+use Doctrine\ORM\Query\Parser;
+use Doctrine\ORM\Query\SqlWalker;
+/**
+ * DateTruncFunctionDQL ::= "date_trunc" "(" ArithmeticPrimary "," ArithmeticPrimary ")"
+ */
+class DateTruncFunctionDQL extends FunctionNode
+{
+    public $firstDateExpression = null;
+    public $secondDateExpression = null;
+  
+    public function parse(Parser $parser)
+    {
+        $parser->match(Lexer::T_IDENTIFIER);
+        $parser->match(Lexer::T_OPEN_PARENTHESIS);
+        $this->firstDateExpression = $parser->ArithmeticPrimary();
+        $parser->match(Lexer::T_COMMA);
+        $this->secondDateExpression = $parser->ArithmeticPrimary();
+        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
+    }
+  
+    public function getSql(SqlWalker $sqlWalker){
+        return 'date_trunc(' .
+            $this->firstDateExpression->dispatch($sqlWalker) . ', ' .
+            $this->secondDateExpression->dispatch($sqlWalker) .
+        ')';
+    }
+}
\ No newline at end of file
diff --git a/api/src/Kernel.php b/api/src/Kernel.php
old mode 100644
new mode 100755